Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD

See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG

To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html

Study Counts

Type	Study_count
Total_Studies	3743
interventional	2730
Observational	954
Registry	59

Studies over Time by Start Date

```

Interventional Trials

Intervention Type

intervention_type	Study_Count
Drug	1264
Drug\|placebo	310
Biological	212
Other	195
Procedure	109
Device	106
Behavioral	101
Biological\|placebo	63
Drug\|Other	49
Dietary Supplement\|placebo	47
Dietary Supplement	41
Diagnostic Test	26
Drug\|Procedure	22
Biological\|Drug	19
Device\|Other	18
Biological\|Other	11
Other\|Procedure	11
Device\|Drug	10
Dietary Supplement\|Drug	9
Drug\|Other\|placebo	7
Behavioral\|Drug	6
Biological\|Drug\|placebo	6
Combination Product	6
Device\|Procedure	6
Other\|placebo	6
Behavioral\|Other	5
Dietary Supplement\|Drug\|placebo	5
Drug\|placebo\|Procedure	4
Behavioral\|Procedure	3
Biological\|Procedure	3
Device\|Drug\|Other	3
Behavioral\|Device	2
Biological\|Drug\|Other	2
Biological\|Drug\|Procedure	2
Biological\|Genetic\|Other	2
Biological\|placebo\|Procedure	2
Combination Product\|Other	2
Device\|placebo	2
Diagnostic Test\|Drug	2
Diagnostic Test\|Other	2
Dietary Supplement\|Other	2
Genetic	2
placebo	2
Behavioral\|Biological	1
Behavioral\|Device\|Diagnostic Test\|Drug\|Procedure	1
Behavioral\|Device\|placebo	1
Behavioral\|Dietary Supplement\|placebo	1
Behavioral\|Drug\|Genetic\|Procedure	1
Behavioral\|Drug\|Other	1
Biological\|Device\|Drug	1
Biological\|Drug\|Other\|placebo	1
Biological\|Other\|Procedure	1
Combination Product\|Diagnostic Test	1
Combination Product\|Dietary Supplement\|placebo	1
Combination Product\|Drug	1
Combination Product\|placebo	1
Device\|Drug\|placebo	1
Device\|Drug\|Procedure	1
Drug\|Genetic	1
Drug\|Genetic\|Other\|Procedure	1
Drug\|Other\|Procedure	1
Drug\|Procedure\|Radiation	1
Genetic\|placebo	1
placebo\|Procedure	1
Procedure\|Radiation	1
Radiation	1

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Yearly studies for each intervention by start date

Studies by Country

Country	Study_Count
United States	953
NA	209
France	127
China	84
Canada	78
Spain	62
United Kingdom	58
United States\|Puerto Rico	56
Germany	44
Switzerland	44
Taiwan	38
United States\|Canada	38
Italy	33
Thailand	32
Netherlands	31
Brazil	26
Korea, Republic of	26
Australia	23
Japan	23
Denmark	22
Mexico	22
Russian Federation	22
Sweden	21
Belgium	20
Egypt	19
Israel	16
India	15
Kenya	15
South Africa	15
Turkey	14
Bangladesh	13
Norway	11
Greece	10
Hong Kong	10
Finland	9
Tanzania	9
United States\|Canada\|Puerto Rico	8
Vietnam	8
Uganda	7
Colombia	5
Ethiopia	5
Iran, Islamic Republic of	5
Pakistan	5
Peru	5
Singapore	5
United States\|Tanzania	5
Austria	4
Bulgaria	4
Nigeria	4
Poland	4
United States\|Australia\|Canada\|France\|Germany\|New Zealand\|Puerto Rico\|United Kingdom	4
United States\|United Kingdom	4
CÃ´te D’Ivoire	3
Chile	3
Croatia	3
Hungary	3
Indonesia	3
Lebanon	3
Saudi Arabia	3
Senegal	3
United States\|Australia	3
United States\|France\|Germany\|Spain	3
United States\|New Zealand\|Puerto Rico	3
Zambia	3
Belgium\|Spain	2
China\|Korea, Republic of\|Taiwan	2
Gambia	2
Germany\|Poland	2
Ghana	2
Guatemala	2
Malawi	2
Malaysia	2
Panama	2
Papua New Guinea	2
Philippines	2
Rwanda	2
Ukraine	2
United States\|Brazil	2
United States\|France	2
United States\|South Africa	2
\|United States\|Italy\|Puerto Rico	1
Algeria\|Australia\|Austria\|Belgium\|Bulgaria\|Canada\|Denmark\|Finland\|France\|Germany\|Greece\|Ireland\|Israel\|Italy\|Mexico\|Netherlands\|Norway\|Poland\|Portugal\|Romania\|Russian Federation\|Saudi Arabia\|Spain\|Sweden\|Switzerland\|Turkey\|United Kingdom	1
Argentina	1
Argentina\|Australia\|Colombia\|France\|Korea, Republic of\|Spain\|United Kingdom	1
Argentina\|Belgium\|Bulgaria\|Estonia\|France\|Germany\|Greece\|Israel\|Latvia\|Lithuania\|Romania\|Russian Federation\|South Africa\|Spain	1
Argentina\|Brazil\|Canada\|United Kingdom	1
Argentina\|Brazil\|Chile\|Colombia\|Guinea\|India\|Indonesia\|Malaysia\|Mali\|Mexico\|Nigeria\|South Africa\|Thailand\|Zimbabwe	1
Argentina\|Canada\|Mexico	1
Argentina\|Chile\|Costa Rica\|Hungary\|Malaysia\|New Zealand\|Panama\|Philippines\|Poland\|Taiwan\|Thailand	1
Argentina\|Czechia\|Latvia\|United States\|Australia\|Austria\|Belarus\|Bosnia and Herzegovina\|Brazil\|Bulgaria\|Canada\|Colombia\|Croatia\|Denmark\|Estonia\|Georgia\|Germany\|Greece\|Hungary\|Israel\|Lithuania\|Mexico\|Netherlands\|North Macedonia\|Peru\|Poland\|Portugal\|Puerto Rico\|Romania\|Russian Federation\|Serbia\|Slovakia\|South Africa\|Spain\|Turkey\|Ukraine\|United Kingdom	1
Australia\|Belgium\|Bulgaria\|Estonia\|Hungary\|Israel\|Latvia\|Malaysia\|Philippines\|Poland\|Slovakia\|Spain\|Thailand\|United Kingdom	1
Australia\|Benin\|Brazil\|Canada\|Ghana\|Guinea\|Indonesia	1
Australia\|Benin\|Brazil\|Canada\|Ghana\|Guinea\|Indonesia\|Korea, Republic of\|Saudi Arabia	1
Australia\|China\|Denmark\|Finland\|France\|Germany\|Greece\|Hong Kong\|India\|Italy\|Philippines\|Portugal\|Saudi Arabia\|South Africa\|Spain\|Switzerland\|Taiwan\|Turkey\|United Kingdom	1
Australia\|Greece\|Italy\|Singapore\|Thailand\|Turkey	1
Australia\|Hong Kong\|Israel\|Lebanon\|Malaysia\|Poland\|Taiwan\|Turkey	1
Australia\|New Zealand	1
Australia\|Singapore	1
Australia\|Thailand	1
Australia\|United Kingdom	1
Australia\|United States\|American Samoa	1
Austria\|Belgium\|Bulgaria\|Canada\|Denmark\|France\|Germany\|Greece\|Hungary\|Ireland\|Italy\|Netherlands\|Poland\|Serbia\|Slovakia\|Spain\|Sweden\|United Kingdom	1
Austria\|Belgium\|Bulgaria\|France\|Germany\|Greece\|Hungary\|Ireland\|Israel\|Italy\|Latvia\|Lithuania\|Netherlands\|Poland\|Romania\|Russian Federation\|South Africa\|Spain\|Ukraine\|United Kingdom	1
Austria\|Belgium\|Denmark\|France\|Germany\|Ireland\|Italy\|Latvia\|Netherlands\|Portugal\|Spain\|Switzerland\|United Kingdom	1
Austria\|Belgium\|France\|Germany\|Saudi Arabia\|Spain\|United Kingdom	1
Austria\|Belgium\|France\|Germany\|Spain\|United Kingdom	1
Austria\|France\|Germany\|Italy	1
Austria\|France\|Greece\|Italy\|Poland\|Russian Federation\|United Kingdom	1
Belarus\|Russian Federation\|Ukraine	1
Belgium\|Canada	1
Belgium\|Canada\|Czech Republic\|Finland\|France\|Germany\|United States\|Greece\|Israel\|Slovakia\|Switzerland\|Turkey\|United Kingdom	1
Belgium\|Czech Republic\|Lithuania	1
Belgium\|Finland\|France\|Germany\|Netherlands\|Spain\|United Kingdom	1
Belgium\|France	1
Belgium\|France\|Germany\|Italy\|Romania\|Russian Federation\|Spain\|Switzerland\|United Kingdom	1
Belgium\|France\|Germany\|Italy\|Spain\|United Kingdom	1
Belgium\|France\|Germany\|Portugal\|Spain\|Sweden\|Switzerland\|United Kingdom	1
Belgium\|France\|Germany\|United Kingdom	1
Belgium\|France\|Italy\|Lithuania	1
Belgium\|France\|Italy\|Spain\|United Kingdom	1
Belgium\|France\|Monaco	1
Belgium\|France\|Spain\|United Kingdom	1
Belgium\|Germany\|Israel	1
Belgium\|Germany\|Switzerland	1
Belgium\|Greece	1
Belgium\|Mauritius\|Moldova, Republic of	1
Benin	1
Benin\|Canada\|Ghana\|Indonesia\|Vietnam	1
Benin\|Ghana	1
Bolivia	1
Bosnia and Herzegovina	1
Botswana	1
Botswana\|Kenya\|Malawi\|Mozambique\|South Africa\|Tanzania\|Zimbabwe	1
Botswana\|Kenya\|Rwanda\|South Africa\|Tanzania\|Uganda\|Zambia	1
Botswana\|Tanzania\|Zambia\|Zimbabwe	1
Brazil\|Cambodia\|Cameroon\|Ethiopia\|India\|Tanzania\|Vietnam	1
Bulgaria\|Canada\|Denmark\|France\|Germany\|Greece\|Hungary\|Ireland\|Italy\|Netherlands\|Poland\|Serbia\|Belgium\|Austria\|Slovakia\|Spain\|United Kingdom	1
Bulgaria\|China\|Hong Kong\|Korea, Republic of\|New Zealand\|Poland\|Taiwan\|United Kingdom	1
Bulgaria\|Germany\|Romania\|Serbia	1
Bulgaria\|United States\|Germany\|India	1
Burkina Faso	1
Burkina Faso\|CÃ´te D’Ivoire\|Mali\|Togo	1
Cambodia\|Thailand	1
Canada\|Czech Republic\|Egypt\|France\|Greece\|Jordan\|Portugal\|Russian Federation\|Spain\|Switzerland\|Turkey\|United Kingdom	1
Canada\|Denmark\|Hungary\|Sweden	1
Canada\|Egypt\|France\|Germany\|Greece\|Hungary\|Italy\|Romania\|Russian Federation\|Switzerland	1
Canada\|Germany	1
Canada\|Germany\|Italy\|Taiwan\|Thailand	1
Canada\|Netherlands	1
Canada\|Russian Federation\|Ukraine	1
Chile\|Peru\|Argentina	1
China\|Hong Kong\|Indonesia\|Korea, Republic of\|Malaysia\|Taiwan	1
China\|Hong Kong\|Korea, Republic of\|Taiwan\|Vietnam	1
China\|Korea, Republic of	1
China\|Korea, Republic of\|Singapore	1
China\|Korea, Republic of\|Vietnam	1
China\|Pakistan\|Philippines	1
Congo	1
Congo, The Democratic Republic of the	1
Costa Rica	1
Croatia\|Belgium\|Bulgaria\|Chile\|Colombia\|Czechia\|Estonia\|Germany\|Hungary\|Israel\|Latvia\|Malaysia\|Philippines\|Poland\|Slovakia\|Spain\|Thailand	1
Cuba	1
Czech Republic	1
Czechia\|Hungary\|Poland\|Slovakia\|Ukraine	1
Denmark\|Germany\|Israel\|Italy\|Netherlands\|United Kingdom	1
Estonia\|Russian Federation	1
Ethiopia\|Rwanda	1
Fiji	1
France\|Belgium	1
France\|Canada	1
France\|Canada\|Chile\|China\|Denmark\|United States\|Argentina\|Australia\|Austria\|Belgium\|Germany\|Netherlands\|Puerto Rico\|Romania\|Russian Federation\|South Africa\|Spain\|Sweden\|Taiwan\|Thailand\|United Kingdom	1
France\|Germany	1
France\|Germany\|Italy\|Spain\|United Kingdom	1
France\|Germany\|Netherlands	1
France\|Germany\|Netherlands\|Spain\|United Kingdom	1
France\|Germany\|Spain	1
France\|Greece\|Italy\|Latvia\|Luxembourg\|Portugal\|Slovenia\|Spain	1
France\|Lithuania\|Spain\|United Kingdom	1
French Guiana	1
Gabon	1
Georgia	1
Germany\|Israel\|Italy	1
Germany\|Netherlands	1
Germany\|Spain	1
Germany\|Switzerland	1
Germany\|United Kingdom	1
Germany\|United States\|Argentina\|Australia\|Austria\|Belgium\|Brazil\|Bulgaria\|Canada\|Chile\|Colombia\|Czechia\|Estonia\|Finland\|France\|Hungary\|Israel\|Italy\|Japan\|Korea, Republic of\|Latvia\|Lithuania\|Mexico\|New Zealand\|Panama\|Poland\|Russian Federation\|South Africa\|Spain\|Sweden\|Turkey\|Ukraine\|United Kingdom	1
Germany\|United States\|Argentina\|Bulgaria\|Canada\|Chile\|Czechia\|Greece\|Hungary\|Latvia\|Lithuania\|Mexico\|Peru\|Romania\|Russian Federation\|Ukraine	1
Germany\|United States\|Australia\|Canada\|France\|Italy\|New Zealand\|Puerto Rico\|United Kingdom	1
Greece\|Spain	1
Hong Kong\|Indonesia\|Malaysia\|Singapore\|Vietnam	1
Hungary\|Latvia\|Lithuania\|Romania\|Russian Federation\|United States\|Bulgaria\|Czechia\|Estonia\|Georgia\|Ukraine	1
Hungary\|United States\|Belarus\|Brazil\|Bulgaria\|Czechia\|Greece\|Italy\|Korea, Republic of\|Peru\|Poland\|Romania\|Slovakia\|Slovenia\|Spain\|Taiwan\|Ukraine	1
India\|Malawi\|South Africa\|Tanzania\|Uganda\|Zambia\|Zimbabwe	1
Iraq	1
Ireland	1
Israel\|Spain	1
Italy\|Lithuania\|Poland\|Romania\|Russian Federation	1
Japan\|	1
Kazakhstan\|Russian Federation	1
Kenya\|Malawi\|South Africa\|Tanzania\|Uganda\|Zimbabwe	1
Kenya\|Tanzania\|Thailand\|Uganda	1
Kenya\|Uganda	1
Kenya\|Zimbabwe	1
Lao People’s Democratic Republic	1
Latvia\|Moldova, Republic of\|Romania\|Hungary\|United States\|Austria\|Bulgaria\|Estonia\|Georgia\|Russian Federation\|Slovakia\|Ukraine	1
Lebanon\|United States\|Jordan	1
Madagascar	1
Malawi\|Mozambique\|South Africa\|Zambia\|Zimbabwe	1
Malawi\|South Africa	1
Malawi\|South Africa\|Uganda\|Zimbabwe	1
Malawi\|Uganda\|Zambia	1
Malaysia\|Philippines\|Thailand\|Vietnam	1
Malaysia\|Taiwan\|Thailand	1
Mauritius\|Thailand	1
Moldova, Republic of	1
Netherlands\|Norway\|Poland\|Sweden	1
New Zealand	1
New Zealand\|Australia	1
Norway\|Sweden	1
Poland\|Russian Federation	1
Portugal	1
Puerto Rico	1
Romania\|South Africa	1
Russian Federation\|Sweden	1
Russian Federation\|Ukraine	1
Russian Federation\|United States\|Canada\|Croatia\|Georgia\|Germany\|Poland\|Ukraine	1
Russian Federation\|Uzbekistan	1
South Africa\|Slovakia\|United States\|Bulgaria\|Czechia\|Estonia\|Georgia\|Hungary\|Latvia\|Moldova, Republic of\|Poland\|Romania\|Russian Federation\|Serbia\|Ukraine	1
South Africa\|Tanzania	1
South Africa\|Tanzania\|Uganda\|Zambia	1
South Africa\|Uganda\|Zambia	1
South Africa\|Uganda\|Zimbabwe	1
Spain\|Austria\|Germany\|Italy\|Russian Federation	1
Spain\|Switzerland\|United Kingdom	1
Sri Lanka	1
Sudan	1
Thailand\|Argentina\|Brazil\|Mexico\|Peru\|Russian Federation\|South Africa	1
Tunisia	1
Ukraine\|United States\|Argentina\|Canada\|Chile\|Croatia\|France\|India\|Russian Federation	1
United States\|Argentina\|Australia\|Austria\|Belgium\|Brazil\|Canada\|Chile\|China\|Colombia\|Croatia\|Denmark\|Estonia\|Finland\|France\|Germany\|Greece\|Hungary\|India\|Italy\|Korea, Republic of\|Latvia\|Lithuania\|Mexico\|Panama\|Peru\|Poland\|Portugal\|Romania\|Russian Federation\|Slovakia\|South Africa\|Spain\|Sweden\|Switzerland\|Taiwan\|Turkey\|Ukraine\|United Kingdom	1
United States\|Argentina\|Australia\|Austria\|Belgium\|Brazil\|Canada\|Denmark\|France\|Germany\|Ireland\|Israel\|Italy\|Japan\|Morocco\|Netherlands\|Norway\|Poland\|Portugal\|Singapore\|Spain\|Sweden\|Switzerland\|Thailand\|United Kingdom	1
United States\|Argentina\|Australia\|Austria\|Belgium\|Brazil\|Chile\|Czechia\|Denmark\|Estonia\|Finland\|France\|Germany\|Greece\|India\|Ireland\|Israel\|Italy\|Luxembourg\|Malaysia\|Mali\|Mexico\|Morocco\|Nigeria\|Norway\|Peru\|Poland\|Portugal\|Puerto Rico\|South Africa\|Spain\|Sweden\|Switzerland\|Thailand\|Uganda\|United Kingdom	1
United States\|Argentina\|Australia\|Belarus\|Belgium\|Brazil\|Bulgaria\|Canada\|Chile\|Czechia\|Germany\|Greece\|Hungary\|Korea, Republic of\|Mexico\|New Zealand\|Peru\|Poland\|Portugal\|Romania\|Russian Federation\|Spain	1
United States\|Argentina\|Australia\|Belgium\|Brazil\|Bulgaria\|Canada\|France\|Germany\|Israel\|Italy\|Japan\|Korea, Republic of\|Malaysia\|Netherlands\|Russian Federation\|Spain\|Sweden\|Switzerland\|Taiwan\|United Kingdom	1
United States\|Argentina\|Australia\|Belgium\|Brazil\|Bulgaria\|Chile\|China\|Croatia\|Czechia\|France\|Germany\|Greece\|Hong Kong\|Israel\|Italy\|Korea, Republic of\|Mexico\|Peru\|Philippines\|Poland\|Romania\|Russian Federation\|South Africa\|Spain\|Taiwan\|Turkey\|Ukraine	1
United States\|Argentina\|Australia\|Belgium\|Brazil\|Canada\|Chile\|China\|France\|Germany\|Hungary\|India\|Israel\|Italy\|Lebanon\|Malaysia\|Mexico\|New Zealand\|Philippines\|Russian Federation\|Singapore\|South Africa\|Spain\|Switzerland\|Thailand	1
United States\|Argentina\|Australia\|Belgium\|Brazil\|Canada\|Chile\|France\|Greece\|Hungary\|Italy\|Mexico\|Netherlands\|Poland\|Romania\|Russian Federation\|South Africa\|Spain\|Taiwan\|United Kingdom	1
United States\|Argentina\|Australia\|Belgium\|Canada\|France\|Germany\|Italy\|Korea, Republic of\|Mexico\|Netherlands\|Portugal\|Romania\|Russian Federation\|South Africa\|Spain\|Taiwan\|United Kingdom	1
United States\|Argentina\|Australia\|Belgium\|Canada\|France\|Germany\|Italy\|Mexico\|Peru\|Poland\|Portugal\|Romania\|Russian Federation\|Spain\|Switzerland\|Taiwan\|United Kingdom	1
United States\|Argentina\|Australia\|Brazil\|Germany\|Mexico\|New Zealand\|Poland\|Russian Federation\|South Africa\|Spain	1
United States\|Argentina\|Australia\|Canada\|France\|Germany\|Italy\|Korea, Republic of\|Mexico\|Russian Federation\|South Africa\|Spain\|Sweden	1
United States\|Argentina\|Australia\|Chile\|Italy\|Morocco\|Poland\|Portugal\|Spain\|Thailand\|United Kingdom	1
United States\|Argentina\|Austria\|Brazil\|Chile\|Germany\|Latvia\|Mexico\|Poland\|Russian Federation\|Ukraine\|United Kingdom	1
United States\|Argentina\|Belarus\|Bulgaria\|Chile\|Colombia\|Georgia\|Greece\|Guatemala\|Latvia\|Lithuania\|Mexico\|Panama\|Poland\|Romania\|Russian Federation\|South Africa\|Spain\|Ukraine	1
United States\|Argentina\|Belarus\|Bulgaria\|Croatia\|Estonia\|Georgia\|Hungary\|Latvia\|Lithuania\|Mexico\|Peru\|Poland\|Russian Federation\|Serbia\|Slovakia\|South Africa\|Spain\|Ukraine	1
United States\|Argentina\|Belgium\|Brazil\|Chile\|Colombia\|Italy\|Malaysia\|Mexico\|Portugal\|Russian Federation\|Singapore\|South Africa\|Spain\|United Kingdom\|Venezuela	1
United States\|Argentina\|Belgium\|Canada\|France\|Germany\|Italy\|Mexico\|Poland\|Russian Federation\|Spain\|United Kingdom	1
United States\|Argentina\|Brazil\|Bulgaria\|Chile\|Estonia\|Georgia\|Hungary\|Korea, Republic of\|Latvia\|Mexico\|Moldova, Republic of\|Peru\|Romania\|Slovakia\|Taiwan	1
United States\|Argentina\|Brazil\|Bulgaria\|Croatia\|Czechia\|Germany\|Greece\|Hungary\|Israel\|Japan\|Korea, Republic of\|Mexico\|Poland\|Portugal\|Romania\|Russian Federation\|Serbia\|Slovakia\|Taiwan\|Turkey\|Ukraine	1
United States\|Argentina\|Brazil\|Canada\|Chile\|Mexico	1
United States\|Argentina\|Brazil\|Canada\|Czechia\|Germany\|Hungary\|Latvia\|Peru\|Slovakia\|Ukraine	1
United States\|Argentina\|Brazil\|Canada\|Puerto Rico	1
United States\|Argentina\|Brazil\|Chile\|Germany\|Mexico\|Peru\|Poland\|Romania\|Russian Federation\|Ukraine	1
United States\|Argentina\|Brazil\|Colombia\|Czechia\|Germany\|Hungary\|Malaysia\|Mexico\|Norway\|Poland\|Portugal\|Romania\|South Africa\|Spain\|Sweden\|United Kingdom	1
United States\|Argentina\|Brazil\|Colombia\|Greece\|Israel\|Italy\|United Kingdom	1
United States\|Argentina\|Brazil\|Italy\|Mexico\|Peru\|Poland\|Spain	1
United States\|Argentina\|Bulgaria\|Chile\|Croatia\|Estonia\|Germany\|Hungary\|Israel\|Korea, Republic of\|Latvia\|Lithuania\|Moldova, Republic of\|Poland\|Serbia	1
United States\|Argentina\|Bulgaria\|Croatia\|Czechia\|France\|Israel\|Korea, Republic of\|Mexico\|Peru\|Philippines\|Poland\|Romania\|Russian Federation\|South Africa\|Spain\|Turkey\|Ukraine	1
United States\|Argentina\|Bulgaria\|Croatia\|Czechia\|Germany\|Israel\|Italy\|Korea, Republic of\|Mexico\|Peru\|Poland\|Romania\|Russian Federation\|Spain\|Taiwan\|Ukraine	1
United States\|Argentina\|Bulgaria\|Croatia\|Czechia\|Hungary\|India\|Israel\|Latvia\|Malaysia\|Mexico\|Netherlands\|Peru\|Romania\|Russian Federation\|South Africa\|Spain\|Taiwan\|Thailand\|Ukraine	1
United States\|Argentina\|Bulgaria\|Czech Republic\|Estonia\|France\|Germany\|Latvia\|Lithuania\|Romania\|Russian Federation\|South Africa\|Ukraine	1
United States\|Argentina\|Bulgaria\|Estonia\|Germany\|Hungary\|Latvia\|Lithuania\|Peru\|Romania\|South Africa	1
United States\|Argentina\|Canada\|France\|Italy\|Mexico\|Portugal\|Puerto Rico\|Russian Federation\|South Africa\|Spain\|Thailand\|United Kingdom	1
United States\|Argentina\|Chile\|Costa Rica\|Germany\|Mexico\|Netherlands\|South Africa\|Taiwan	1
United States\|Argentina\|Chile\|Georgia\|Latvia\|Lithuania\|Poland\|Romania\|South Africa\|Spain	1
United States\|Argentina\|Colombia\|Germany\|Mexico\|Peru\|Romania\|Russian Federation\|South Africa\|Spain	1
United States\|Argentina\|Georgia\|Russian Federation\|Serbia	1
United States\|Argentina\|Germany\|Korea, Republic of\|Romania\|Spain	1
United States\|Australia\|Austria\|Belgium\|Canada\|Croatia\|Denmark\|France\|Germany\|Italy\|Singapore\|Spain\|Switzerland\|United Kingdom	1
United States\|Australia\|Austria\|Belgium\|Canada\|Denmark\|France\|Germany\|Italy\|Mexico\|Netherlands\|Portugal\|Puerto Rico\|Sweden\|Switzerland\|Thailand\|United Kingdom	1
United States\|Australia\|Belgium\|Brazil\|Canada\|Finland\|Germany\|Italy\|Mexico\|Philippines\|Spain\|Taiwan\|Thailand\|United Kingdom	1
United States\|Australia\|Belgium\|Canada\|Croatia\|Czechia\|France\|Germany\|Hungary\|Italy\|Korea, Republic of\|New Zealand\|Poland\|Singapore\|Spain\|Switzerland\|Turkey\|United Kingdom	1
United States\|Australia\|Belgium\|Canada\|France\|New Zealand\|Singapore\|South Africa\|Vietnam	1
United States\|Australia\|Belgium\|France\|Israel\|Italy\|Korea, Republic of\|Netherlands\|New Zealand\|Poland\|United Kingdom	1
United States\|Australia\|Belgium\|Germany\|Italy\|New Zealand\|Russian Federation\|United Kingdom	1
United States\|Australia\|Belgium\|Israel\|Netherlands\|Russian Federation\|Spain	1
United States\|Australia\|Brazil\|Canada\|France\|Germany\|Israel\|Korea, Republic of\|Netherlands\|Singapore\|Spain\|Sweden\|Switzerland\|Taiwan\|United Kingdom	1
United States\|Australia\|Bulgaria\|Canada\|Chile\|Denmark\|Finland\|Germany\|Hungary\|Netherlands\|New Zealand\|Panama\|Puerto Rico\|South Africa\|Spain\|Sweden\|Turkey\|Ukraine\|United Kingdom	1
United States\|Australia\|Canada\|Chile\|Colombia\|France\|Japan\|New Zealand\|Panama\|Romania\|South Africa\|Taiwan\|Thailand\|United Kingdom	1
United States\|Australia\|Canada\|Denmark\|France\|Germany\|Italy\|Sweden\|Switzerland\|United Kingdom	1
United States\|Australia\|Canada\|Mexico\|Netherlands\|Peru\|Philippines\|Portugal\|Russian Federation\|Singapore\|Thailand\|United Kingdom	1
United States\|Australia\|Chile\|Colombia\|France\|Germany\|Italy\|Japan\|Korea, Republic of\|Russian Federation	1
United States\|Australia\|Colombia\|Germany\|Israel\|Japan\|Mexico\|Spain\|Turkey	1
United States\|Australia\|Denmark	1
United States\|Australia\|India\|Italy\|Romania\|Ukraine	1
United States\|Australia\|Korea, Republic of\|Taiwan	1
United States\|Australia\|New Zealand\|United Kingdom	1
United States\|Austria\|Belgium\|Canada\|Chile\|China\|Denmark\|Finland\|France\|Germany\|Greece\|Israel\|Italy\|Malaysia\|Netherlands\|Norway\|Poland\|Portugal\|Saudi Arabia\|Singapore\|Slovakia\|Spain\|Sweden\|Switzerland\|United Kingdom	1
United States\|Austria\|Belgium\|Canada\|Czech Republic\|France\|Germany\|Italy\|Poland\|Spain\|United Kingdom	1
United States\|Austria\|Belgium\|Canada\|France\|Germany\|Italy\|Latvia\|Luxembourg\|Poland\|Portugal\|Romania\|Spain\|Switzerland	1
United States\|Austria\|Belgium\|Denmark\|France\|Germany\|Greece\|Israel\|Italy\|Netherlands\|Spain\|United Kingdom	1
United States\|Austria\|Canada\|Denmark\|France\|Germany\|Ireland\|Italy\|Netherlands\|Spain\|United Kingdom	1
United States\|Austria\|France\|Germany	1
United States\|Austria\|France\|Israel\|Spain\|United Kingdom	1
United States\|Austria\|Ireland	1
United States\|Bahamas\|Brazil\|Puerto Rico	1
United States\|Belarus\|Belgium\|Brazil\|Estonia\|France\|Georgia\|India\|Israel\|Latvia\|Mexico\|Russian Federation\|Serbia\|South Africa\|Turkey\|Ukraine	1
United States\|Belarus\|Belgium\|Canada\|Czechia\|Estonia\|France\|Georgia\|Germany\|Israel\|Latvia\|Lithuania\|Mexico\|Peru\|Romania\|Spain	1
United States\|Belarus\|Bulgaria\|Croatia\|Czechia\|Estonia\|Georgia\|Greece\|Hungary\|Latvia\|Lithuania\|Poland\|Romania\|Russian Federation\|Slovakia\|Ukraine	1
United States\|Belgium\|Canada\|China\|France\|Germany\|Italy\|Puerto Rico\|United Kingdom	1
United States\|Belgium\|Canada\|France\|Germany\|Hong Kong\|Italy\|Puerto Rico\|United Kingdom	1
United States\|Belgium\|Canada\|France\|Germany\|Italy\|Portugal\|Spain\|United Kingdom	1
United States\|Belgium\|Canada\|France\|Germany\|Poland\|Russian Federation	1
United States\|Belgium\|Canada\|Germany\|Spain\|Switzerland	1
United States\|Belgium\|Canada\|Romania\|Russian Federation\|South Africa\|Spain	1
United States\|Belgium\|Colombia\|Czechia\|France\|Israel\|Italy\|Mexico\|Peru\|Spain\|Taiwan	1
United States\|Belgium\|Czechia	1
United States\|Belgium\|Germany\|Ireland\|Poland\|Puerto Rico\|United Kingdom	1
United States\|Belgium\|Germany\|Italy\|Taiwan	1
United States\|Belgium\|Germany\|Puerto Rico\|Spain	1
United States\|Belgium\|Italy\|United Kingdom	1
United States\|Belgium\|Mexico\|South Africa\|Taiwan\|Ukraine	1
United States\|Belgium\|United Kingdom	1
United States\|Botswana	1
United States\|Botswana\|Brazil\|Haiti\|Kenya\|Malawi\|Peru\|South Africa\|Thailand\|Zimbabwe	1
United States\|Brazil\|Bulgaria\|Germany\|Mexico\|Poland\|South Africa\|Turkey	1
United States\|Brazil\|Canada	1
United States\|Brazil\|Canada\|Italy\|Mexico\|Spain	1
United States\|Brazil\|Canada\|Spain	1
United States\|Brazil\|Colombia\|Costa Rica\|Ecuador\|Mexico\|Panama\|Peru\|Puerto Rico	1
United States\|Brazil\|Colombia\|Estonia\|Georgia\|Germany\|Hungary\|Israel\|Latvia\|Mexico\|Moldova, Republic of\|Romania\|Russian Federation\|Serbia\|Slovakia\|South Africa\|Thailand	1
United States\|Brazil\|Croatia\|France\|Germany\|Greece\|Guatemala\|Israel\|Italy\|Japan\|Korea, Republic of\|Spain\|Taiwan\|Thailand\|Turkey\|United Kingdom	1
United States\|Brazil\|Hungary\|Lithuania\|Malaysia\|Mexico\|Romania\|Russian Federation\|South Africa\|Spain\|Turkey\|Ukraine	1
United States\|Brazil\|Malawi\|Peru\|South Africa\|Thailand\|Zimbabwe	1
United States\|Brazil\|Mexico\|Puerto Rico\|South Africa	1
United States\|Brazil\|Peru\|Switzerland	1
United States\|Brazil\|Puerto Rico	1
United States\|Brazil\|Puerto Rico\|South Africa\|Thailand	1
United States\|Brazil\|Puerto Rico\|South Africa\|Thailand\|Uganda	1
United States\|Bulgaria	1
United States\|Bulgaria\|Canada\|Hungary\|Poland\|Romania\|Serbia	1
United States\|Bulgaria\|China\|Croatia\|Hungary\|Latvia\|Mexico	1
United States\|Bulgaria\|Colombia\|Greece\|Norway\|Poland\|Ukraine\|United Kingdom	1
United States\|Bulgaria\|Colombia\|Norway\|United Kingdom	1
United States\|Bulgaria\|Croatia\|Estonia\|Georgia\|Hungary\|Latvia\|Romania\|Russian Federation\|Serbia\|South Africa\|Ukraine	1
United States\|Bulgaria\|Croatia\|Greece\|Hungary\|Israel\|Latvia\|Peru\|Poland\|Romania\|South Africa\|Spain\|Turkey\|Ukraine	1
United States\|Bulgaria\|Czechia\|Georgia\|Poland\|Romania	1
United States\|Bulgaria\|Czechia\|Poland	1
United States\|Bulgaria\|Estonia\|Georgia\|Hungary\|Latvia\|Poland	1
United States\|Bulgaria\|Estonia\|Hungary\|Israel\|Korea, Republic of\|Latvia\|Lithuania\|Romania\|Russian Federation\|Slovakia\|South Africa\|Taiwan\|Ukraine	1
United States\|Bulgaria\|France\|India\|Lebanon\|Poland\|Romania\|Russian Federation	1
United States\|Bulgaria\|Germany\|Lebanon\|Poland\|Russian Federation\|Turkey	1
United States\|Bulgaria\|Greece\|Hungary\|India\|Poland\|Serbia\|Ukraine\|United Kingdom	1
United States\|Bulgaria\|Hungary\|Ukraine	1
United States\|Bulgaria\|India\|Latvia\|Lithuania\|Romania	1
United States\|Canada\|Chile\|France\|Spain	1
United States\|Canada\|Dominican Republic\|Japan\|Spain\|Taiwan\|Thailand	1
United States\|Canada\|Finland\|Germany\|Philippines\|Thailand\|United Kingdom	1
United States\|Canada\|Finland\|Germany\|Thailand	1
United States\|Canada\|France\|Germany\|Spain	1
United States\|Canada\|France\|Puerto Rico\|Thailand	1
United States\|Canada\|Hong Kong\|Indonesia\|Philippines\|Singapore\|Taiwan\|Thailand	1
United States\|Canada\|Hong Kong\|Israel\|Korea, Republic of\|Lebanon\|Malaysia\|Philippines\|Singapore\|South Africa\|Taiwan\|Thailand	1
United States\|Canada\|Netherlands\|Portugal\|Russian Federation\|Singapore\|United Kingdom	1
United States\|Canada\|Netherlands\|Puerto Rico	1
United States\|China\|Philippines\|Taiwan	1
United States\|China\|South Africa\|Spain	1
United States\|Colombia\|France\|Israel\|Mexico\|Philippines\|Poland\|Russian Federation\|South Africa\|Spain\|Turkey	1
United States\|Costa Rica\|Panama\|Puerto Rico	1
United States\|Croatia\|Israel\|Latvia\|Russian Federation\|Spain\|Ukraine	1
United States\|Czechia\|Greece\|Hungary\|Poland\|Romania\|Russian Federation\|Spain\|Taiwan\|Turkey	1
United States\|Czechia\|Greece\|Hungary\|Poland\|Romania\|Russian Federation\|Taiwan\|Turkey	1
United States\|Czechia\|United Kingdom	1
United States\|Denmark\|United Kingdom	1
United States\|Ecuador	1
United States\|Estonia	1
United States\|Estonia\|Hungary\|India\|Italy\|Slovakia\|Taiwan	1
United States\|Finland\|Mexico	1
United States\|France\|Germany\|Italy\|Japan\|United Kingdom	1
United States\|France\|Germany\|Italy\|Russian Federation\|Spain	1
United States\|France\|Germany\|Italy\|Spain\|United Kingdom	1
United States\|France\|Ireland\|Spain\|Ukraine\|United Kingdom	1
United States\|France\|Korea, Republic of\|Sweden\|Switzerland	1
United States\|France\|United Kingdom	1
United States\|Georgia	1
United States\|Georgia\|Hungary\|Poland\|Romania\|Russian Federation\|Spain\|Ukraine	1
United States\|Germany\|Italy\|Spain\|United Kingdom	1
United States\|Germany\|Poland	1
United States\|Germany\|Poland\|Sweden	1
United States\|Greece\|Hungary\|Mexico\|Poland\|Romania\|Russian Federation\|South Africa\|Turkey\|Ukraine	1
United States\|Guatemala	1
United States\|Guinea\|Liberia\|Sierra Leone	1
United States\|Hungary\|Latvia\|Poland\|Serbia	1
United States\|India	1
United States\|India\|Korea, Republic of\|Romania\|Taiwan	1
United States\|India\|Panama	1
United States\|India\|Russian Federation	1
United States\|Israel	1
United States\|Israel\|South Africa	1
United States\|Italy	1
United States\|Kenya\|South Africa\|Thailand	1
United States\|Mexico	1
United States\|New Zealand	1
United States\|Peru\|South Africa	1
United States\|Puerto Rico\|South Africa	1
United States\|Puerto Rico\|Tanzania	1
United States\|Slovakia\|Spain\|Taiwan	1
United States\|South Africa\|Taiwan\|Thailand	1
United States\|Ukraine	1
United States\|Zimbabwe	1
Zimbabwe\|United States\|Malawi\|South Africa\|Zambia	1

Sites per Study

Site_count	Study_Count
1	1528
2	189
3	88
4	79
5	78
6	51
7	43
8	33
9	38
10	20
11	32
12	29
13	18
14	20
15	22
16	17
17	21
18	14
19	17
20	10
21	14
22	17
23	8
24	12
25	9
26	11
27	6
28	13
29	3
30	11
31	7
32	6
33	11
34	10
35	11
36	5
37	4
38	6
39	6
40	11
41	2
42	6
43	9
44	3
45	9
46	6
47	5
48	6
49	6
50	12
51	6
52	6
53	3
54	4
55	2
56	5
57	6
58	2
59	8
60	4
61	2
62	5
66	4
67	2
68	3
69	4
70	1
71	6
72	2
73	2
74	1
75	2
76	4
77	2
78	3
80	2
84	4
85	1
86	1
87	1
89	1
90	1
91	1
92	2
93	3
94	1
96	1
100	1
104	2
105	2
106	1
113	1
114	1
115	1
117	1
118	1
120	1
123	1
126	1
135	1
137	1
138	1
145	1
146	1
179	1
180	1
181	1
187	2
205	1
211	1
218	1
248	1
277	1
617	1

Phase

Phase	Study_Count
N/A	794
Phase 3	576
Phase 2	511
Phase 4	394
Phase 1	293
Phase 1/Phase 2	78
Phase 2/Phase 3	67
Early Phase 1	17

Number of Arms

Number_of_Arms	Count_of_Studies
1	457
2	1328
3	222
4	129
5	38
6	30
7	9
8	14
9	4
10	4
11	2
12	1
13	1
15	1
22	1
25	1
NA	488

Enrollment Metrics by Phase

Measure	Early.Phase.1	N.A	Phase.1	Phase.1.Phase.2	Phase.2	Phase.2.Phase.3	Phase.3	Phase.4
Min.	1.0000	1.000	1.00000	6.000	1.0000	2.0000	1.0000	6.000
1st Qu.	10.0000	58.000	20.00000	20.000	45.0000	100.0000	146.0000	69.500
Median	20.0000	200.000	32.00000	48.500	100.0000	240.0000	333.0000	163.000
Mean	140.4706	1280.711	55.75357	1723.711	217.2346	790.3731	857.0749	574.532
3rd Qu.	150.0000	600.000	53.50000	100.000	203.5000	457.5000	719.0000	398.000
Max.	1306.0000	126750.000	961.00000	118621.000	5029.0000	12000.0000	28797.0000	22089.000

Trial Group Type

group_type	Group_Count
Experimental	2793
Active Comparator	1196
Placebo Comparator	544
NA	488
No Intervention	288
Other	185
Sham Comparator	19

Intervention Model

intervention_model	Study_Count
Parallel Assignment	1700
Single Group Assignment	584
NA	274
Crossover Assignment	79
Factorial Assignment	51
Sequential Assignment	42

Primary Purpose

primary_purpose	Study_Count
Treatment	1605
Prevention	741
Diagnostic	93
Basic Science	72
Supportive Care	54
Other	51
NA	47
Health Services Research	44
Screening	21
Device Feasibility	1
Educational/Counseling/Training	1

Observational Studies

Studies by Country

Country	Study_Count
United States	266
France	113
NA	92
China	41
Germany	28
Spain	28
United Kingdom	26
Switzerland	24
Italy	21
Denmark	15
Israel	15
Netherlands	15
Thailand	15
Canada	13
Taiwan	13
Japan	11
Egypt	10
India	9
Korea, Republic of	9
Austria	8
Brazil	8
Turkey	7
United States\|Puerto Rico	7
Australia	6
Belgium	6
United States\|Canada	6
Norway	5
Poland	5
Sweden	5
Hong Kong	4
Congo, The Democratic Republic of the	3
Finland	3
Martinique	3
Mexico	3
Pakistan	3
Russian Federation	3
Tanzania	3
Uganda	3
Vietnam	3
Argentina	2
Austria\|Germany	2
Bangladesh	2
Burkina Faso	2
Cambodia	2
Greece	2
Hungary	2
Indonesia	2
Myanmar	2
Peru	2
Philippines	2
Argentina\|Bangladesh\|Brazil\|Canada\|Chile\|China\|Colombia\|India\|Iran, Islamic Republic of\|Kazakhstan\|Kyrgyzstan\|Malaysia\|Pakistan\|Palestinian Territory, occupied\|Peru\|Philippines\|Poland\|Russian Federation\|Saudi Arabia\|South Africa\|Sweden\|Tanzania\|Turkey\|United Arab Emirates\|Zimbabwe	1
Argentina\|Barbados\|Colombia\|Sri Lanka\|Thailand	1
Argentina\|Chile\|Colombia\|Ecuador\|Mexico\|Peru\|Uruguay	1
Argentina\|Thailand\|United Kingdom	1
Armenia\|Georgia\|Moldova, Republic of\|Russian Federation	1
Austria\|Belgium\|Bulgaria\|Croatia\|Czech Republic\|Denmark\|Estonia\|Finland\|France\|Germany\|Greece\|Hungary\|Ireland\|Italy\|Latvia\|Lithuania\|Netherlands\|Norway\|Poland\|Portugal\|Romania\|Russian Federation\|Serbia\|Slovenia\|Spain\|Sweden\|Switzerland\|Turkey\|Ukraine\|United Kingdom	1
Austria\|Belgium\|Italy\|Russian Federation\|Slovenia\|Spain\|Switzerland	1
Belarus	1
Belgium\|Cambodia\|Congo, The Democratic Republic of the	1
Belgium\|Czechia\|Estonia\|France\|Italy\|Netherlands\|Romania\|Serbia\|Spain\|United Kingdom	1
Belgium\|Netherlands\|United Kingdom	1
Bolivia\|Chile	1
Botswana	1
Brazil\|France\|Greece\|Italy\|Russian Federation\|Spain	1
Brazil\|India\|Malawi\|South Africa\|Zimbabwe	1
Bulgaria\|Greece\|Hungary\|Israel\|Italy\|Romania\|Spain\|Turkey	1
CÃ´te D’Ivoire\|Indonesia\|Mali\|Nepal	1
Cameroon	1
Canada\|Philippines	1
China\|Japan	1
Croatia\|Germany\|Italy	1
Ecuador	1
Ecuador\|Peru	1
Finland\|Ireland\|Netherlands\|Portugal\|Switzerland	1
Finland\|Netherlands\|Spain\|United Kingdom	1
France\|Belgium\|Germany\|Greece\|Italy\|Netherlands\|Portugal\|Spain\|Turkey\|United Kingdom	1
France\|Germany\|Greece\|Netherlands\|Romania\|Spain	1
France\|Germany\|Italy\|Spain\|United Kingdom	1
France\|Hungary\|Italy\|Poland\|Spain	1
Gambia	1
Germany\|Hungary\|Norway\|United Kingdom	1
Germany\|Italy\|United Kingdom	1
Guatemala	1
Iran, Islamic Republic of	1
Ireland	1
Israel\|Netherlands	1
Israel\|United Kingdom	1
Kenya	1
Latvia	1
Lebanon	1
Lithuania	1
Malawi\|Tanzania	1
Malaysia	1
Mali	1
Moldova, Republic of	1
Mozambique	1
Portugal	1
Romania	1
Rwanda\|South Africa	1
Sierra Leone	1
Slovenia	1
Suriname	1
Swaziland	1
Uganda\|United Kingdom	1
Uganda\|Zimbabwe	1
Ukraine	1
United States\|Argentina\|Austria\|Belgium\|Canada\|China\|Denmark\|Germany\|Japan\|Switzerland	1
United States\|Australia\|Brazil\|Canada\|Zimbabwe	1
United States\|Australia\|China\|Colombia	1
United States\|Austria\|Israel\|Switzerland\|United Kingdom	1
United States\|Brazil\|Peru\|South Africa	1
United States\|Canada\|Israel\|Singapore\|United Kingdom	1
United States\|Canada\|Russian Federation	1
United States\|Canada\|United Kingdom	1
United States\|Denmark	1
United States\|Dominican Republic\|Haiti\|Peru\|Puerto Rico\|South Africa	1
United States\|Greece	1
United States\|Greece\|Italy\|United Kingdom	1
United States\|India	1
United States\|Malawi\|South Africa\|Tanzania\|Uganda	1
United States\|United Kingdom	1
Venezuela	1
Zambia	1
Zimbabwe	1

Sites per Study

Site_count	Study_Count
1	699
2	74
3	27
4	19
5	9
6	10
7	13
8	4
9	4
10	6
11	6
12	5
13	3
14	5
15	6
16	2
17	4
18	2
19	1
20	2
21	5
22	2
23	3
24	5
25	3
26	1
27	4
30	2
33	1
34	3
35	1
36	3
38	2
39	2
43	2
45	2
47	1
52	2
59	2
69	1
77	1
81	2
92	1
163	1
606	1

Enrollment Metrics

Measure	Observational
Min	0.000
1st Qu	100.000
Median	250.000
Mean	8754.636
3rd Qu	820.000
Max	1660652.000

Observation Model

observational_model	Study_Count
Cohort	488
Case-Only	149
NA	95
Case-Control	71
Other	65
Case Control	47
Ecologic or Community	18
Natural History	6
Case-Crossover	5
Defined Population, Natural History	4
Case Control, Natural History	3
Family-Based	2
Defined Population	1

Time Perspective

time_perspective	Study_Count
Prospective	643
Retrospective	154
Cross-Sectional	62
NA	55
Other	28
Longitudinal, Prospective	8
Longitudinal	2
Cross-Sectional, Retrospective	1
Longitudinal, Retrospective	1

Registries

Studies by Country

Country	Study_Count
China	8
France	6
United States	5
Italy	4
Belgium	3
Spain	3
Turkey	3
Canada	2
Colombia	2
Denmark	2
Germany	2
NA	2
Sweden	2
Australia\|France	1
Austria	1
Chile	1
Colombia\|Germany\|India\|Turkey	1
Denmark\|Norway\|Sweden	1
Ethiopia	1
France\|Germany\|Switzerland	1
Hong Kong	1
Hong Kong\|Korea, Republic of\|Singapore\|Taiwan\|Thailand	1
Singapore	1
Switzerland	1
Taiwan	1
Uganda	1
United States\|Australia\|Belgium\|Germany\|Italy\|New Zealand\|Russian Federation\|United Kingdom	1
United States\|Australia\|Canada\|France\|Germany\|Italy\|New Zealand\|Puerto Rico\|Spain\|United Kingdom	1

Sites per Study

Site_count	Study_Count
1	38
2	3
3	1
4	1
5	1
6	2
7	1
8	1
10	1
11	2
14	1
16	1
18	1
23	1
24	1
48	1
54	1
138	1

Enrollment Metrics

Measure	Registries
Min	1.000
1st Qu	160.500
Median	500.000
Mean	1453.186
3rd Qu	1202.000
Max	15926.000

Registry Model

observational_model	Study_Count
Cohort	36
Case-Control	8
Other	7
Case-Only	5
Case-Crossover	1
Case Control	1
Ecologic or Community	1

Time Perspective

time_perspective	Study_Count
Prospective	52
Other	4
Cross-Sectional	3

Follow-up

target_duration	Study_Count
6 Months	6
5 Years	5
1 Month	4
1 Year	4
2 Years	4
3 Months	4
1 Day	3
2 Weeks	3
30 Days	3
10 Years	2
14 Days	2
18 Years	2
24 Months	2
28 Days	2
3 Weeks	2
4 Weeks	2
12 Months	1
3 Years	1
31 Years	1
4 Months	1
4 Years	1
41 Weeks	1
60 Days	1
7 Months	1
8 Days	1

Overview of Studies

Interventional Trials

#If less then 500 trials

Observational Studiess

#If less then 500 studies

Registries

#If less then 500 registries

nct_id	brief_title	link	overall_status	source	primary_completion_date
NCT03265028	TRACE E-learning Implementation in Belgium	https://ClinicalTrials.gov/show/NCT03265028	Completed	Universiteit Antwerpen	2018-12-31
NCT03251898	Correlation Between Premature Rupture of Membranes and Early-onset Neonatal Infections	https://ClinicalTrials.gov/show/NCT03251898	Completed	Bayi Children’s Hospital Affiliated to PLA Army General Hospital, China	2018-03-31
NCT03225079	PERFORM = PentaglobinÂ® Registry For Outcome Report and Monitoring	https://ClinicalTrials.gov/show/NCT03225079	Recruiting	Jena University Hospital	2020-06-30
NCT03223233	Predicting the Severity of Post-cesarean Wound Infections Using Serum Procalcitonin Levels	https://ClinicalTrials.gov/show/NCT03223233	Completed	Kanuni Sultan Suleyman Training and Research Hospital	2017-09-29
NCT03206541	Neurologic Manifestations of the Arbovirus Infection in Colombia	https://ClinicalTrials.gov/show/NCT03206541	Completed	Johns Hopkins University	2019-12-31
NCT03184818	Outcomes of Urinary Tract Infection Management by Pharmacists	https://ClinicalTrials.gov/show/NCT03184818	Completed	University of Alberta	2018-04-27
NCT03174457	Non-interventional Study for Prevention and Treatment of Fungal Infections in Paediatric Patients in Asia/Oceania - ERADICATE Study	https://ClinicalTrials.gov/show/NCT03174457	Completed	Astellas Pharma Inc	2018-05-31
NCT03173001	Possible Association of Intestinal Helminths and Protozoa With Colorectal Cancer Pathogenesis	https://ClinicalTrials.gov/show/NCT03173001	Active, not recruiting	Research Institute of Epidemiology, Microbiology and Infectious Diseases, Uzbekistan	2023-12-31
NCT03147352	Prognosis and Treatment of Necrotizing Soft Tissue Infections: A Prospective Cohort Study	https://ClinicalTrials.gov/show/NCT03147352	Completed	Rigshospitalet, Denmark	2018-01-31
NCT03113344	Population Pharmacokinetics of Anti-infective Drugs in Children With Infectious Diseases	https://ClinicalTrials.gov/show/NCT03113344	Recruiting	Beijing Children’s Hospital	2025-10-01
NCT03117582	Fecal Microbiota Transplantation (FMT) in Clostridium Difficile Infection (CDI) Not Responding to Antibiotics	https://ClinicalTrials.gov/show/NCT03117582	Enrolling by invitation	University of North Carolina, Chapel Hill	2026-12-31
NCT02926391	UNiD 3D VBR Register	https://ClinicalTrials.gov/show/NCT02926391	Recruiting	Medicrea International	2020-03-31
NCT02904590	A Prospective Study on the Incidence and Risk Factors Related to Infection in Patients With Inflammatory Bowel Disease	https://ClinicalTrials.gov/show/NCT02904590	Recruiting	Grupo Espanol de Trabajo en Enfermedad de Crohn y Colitis Ulcerosa	2021-10-31
NCT02710864	A Cross-sectional Study of Congenital Cytomegalovirus Infection in Newborns in China	https://ClinicalTrials.gov/show/NCT02710864	Completed	Xiamen University	2016-03-31
NCT02510300	A Registry for Adolescent and Pediatric Participants Who Received a Gilead Hepatitis C Virus Direct Acting Antiviral (DAA) in Gilead-Sponsored Chronic Hepatitis C Infection Trials	https://ClinicalTrials.gov/show/NCT02510300	Enrolling by invitation	Gilead Sciences	2024-11-30
NCT02355015	A Prospective Registry For Non Tuberculous Mycobacterial (NTM) Infections	https://ClinicalTrials.gov/show/NCT02355015	Recruiting	Singapore General Hospital	2020-12-31
NCT02357238	Genetics of Uveitis	https://ClinicalTrials.gov/show/NCT02357238	Recruiting	The Cleveland Clinic	2021-01-31
NCT02292706	A Registry for Participants With Cirrhosis Who Achieve a Sustained Virologic Response Following Treatment With a Sofosbuvir-Based Regimen Without Interferon for Chronic Hepatitis C Infection	https://ClinicalTrials.gov/show/NCT02292706	Active, not recruiting	Gilead Sciences	2023-01-31
NCT02126228	no Antibiotics for Elective Cesarean With Low Risk of Infection	https://ClinicalTrials.gov/show/NCT02126228	Completed	Shandong University	2013-12-31
NCT02088840	Survey of Severe Infections by Gram Negative Bacteria in Patients Submitted to Stem Cell Transplant	https://ClinicalTrials.gov/show/NCT02088840	Completed	Gruppo Italiano Trapianto di Midollo Osseo	2016-04-30
NCT04363632	Prospective Analysis of Morbi-mortality of Patients With Cancers in Active Phase of Treatment Suspected or Diagnosed of a SARS-CoV-2 Infection	https://ClinicalTrials.gov/show/NCT04363632	Completed	Centre Leon Berard	2020-06-30
NCT01986504	The Johns Hopkins Transplant Infectious Diseases Prospective Cohort Study	https://ClinicalTrials.gov/show/NCT01986504	Completed	Johns Hopkins University	2014-06-30
NCT01846598	48 Hours After Surgery Shower Patient’s Wound Infection Rate, Pain Score, Patient Satisfaction and Cost.	https://ClinicalTrials.gov/show/NCT01846598	Completed	National Taiwan University Hospital	2014-03-31
NCT01821664	Vascular Graft Infections	https://ClinicalTrials.gov/show/NCT01821664	Recruiting	University of Zurich	2023-03-31
NCT01790698	Systems Medicine to Study Necrotizing Soft Tissue Infections (NSTIs).	https://ClinicalTrials.gov/show/NCT01790698	Completed	Karolinska Institutet	2017-06-30
NCT01771029	Technical Evaluation of Brahms PCT Direct	https://ClinicalTrials.gov/show/NCT01771029	Completed	University Hospital, Basel, Switzerland	2014-06-30
NCT03631719	Impact of Wolbachia Deployment on Arboviral Disease Incidence in Medellin and Bello, Colombia	https://ClinicalTrials.gov/show/NCT03631719	Recruiting	Universidad de Antioquia	2019-12-31
NCT04436991	Antibiotic Dosing in Geriatric Patients at the Emergency Department	https://ClinicalTrials.gov/show/NCT04436991	Recruiting	University Hospital, Ghent	2020-09-30
NCT04427943	Outcome After Revisions of Infected Knee Arthroplasties	https://ClinicalTrials.gov/show/NCT04427943	Recruiting	Odense University Hospital	2025-01-01
NCT04412551	Lung Ultrasound for Assessment of Patients With Moderate to Severe Covid-19	https://ClinicalTrials.gov/show/NCT04412551	Recruiting	Dalarna County Council, Sweden	2020-12-31
NCT04367350	Prospective Registry of Corona Virus Disease 2019 (Covid-19) Patients With Neuromuscular Involvement	https://ClinicalTrials.gov/show/NCT04367350	Recruiting	University Hospital Tuebingen	2021-03-31
NCT04351529	Austrian COVID-19 Registry	https://ClinicalTrials.gov/show/NCT04351529	Recruiting	Arbeitsgemeinschaft medikamentoese Tumortherapie	2021-12-31
NCT04347798	IMPACT: IMPact of Antimalarials on Covid-19 Infections in RAPPORT	https://ClinicalTrials.gov/show/NCT04347798	Enrolling by invitation	University of Alberta	2021-04-30
NCT04340466	French Multicentre Observational Study on SARS-Cov-2 Infections (COVID-19) ICU Management Study	https://ClinicalTrials.gov/show/NCT04340466	Recruiting	Centre Hospitalier Universitaire de NÄ«mes	2020-06-30
NCT04304885	Effect of Sonication on Periprosthetic Joint Infection Treatment Strategy.	https://ClinicalTrials.gov/show/NCT04304885	Recruiting	Bezmialem Vakif University	2022-03-15
NCT04213313	Association Between SNP of SP-D and Susceptibility and Prognosis of Infectious Keratitis	https://ClinicalTrials.gov/show/NCT04213313	Completed	Second Affiliated Hospital, School of Medicine, Zhejiang University	2018-06-30
NCT04165252	Vaginal, Placental and Neonatal Buccal Mycobiota and Microbiome in Preterm Birth	https://ClinicalTrials.gov/show/NCT04165252	Recruiting	KoÃ§ University	2020-12-01
NCT04129177	Reduction of Surgical Site Infections in Elective Colorectal Surgery After the Implementation of a Bundle of Care.	https://ClinicalTrials.gov/show/NCT04129177	Active, not recruiting	Hospital de Granollers	2019-06-30
NCT04100980	A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Chronic Urinary Tract Infections (UTI)	https://ClinicalTrials.gov/show/NCT04100980	Recruiting	ProgenaBiome	2023-03-31
NCT04088916	Proviral DNA as a Target for HIV-1 Resistance Analysis	https://ClinicalTrials.gov/show/NCT04088916	Recruiting	University of Chile	2019-09-08
NCT04062253	Addressing the Cascade of Care in Vulnerable Populations With Poor Access to Healthcare in Madrid	https://ClinicalTrials.gov/show/NCT04062253	Recruiting	Hospital Universitario Infanta Leonor	2020-02-15
NCT04024995	Revision of Antifungal Strategies Definitions for Invasive Fungal Infections in Hematological Malignancies	https://ClinicalTrials.gov/show/NCT04024995	Recruiting	Sorveglianza Epidemiologica Infezioni Fungine Emopatie Maligne	2020-03-31
NCT03990220	A Nutritional Trial on Effect of L. Rhamnosus Yoba on RTI and Other Health Outcomes Among Children (3-6 Years) in Uganda	https://ClinicalTrials.gov/show/NCT03990220	Active, not recruiting	VU University of Amsterdam	2019-09-15
NCT03937245	Epidemiology and Determinants of Outcomes of Hospital Acquired Blood Stream Infections in the Intensive Care	https://ClinicalTrials.gov/show/NCT03937245	Recruiting	Outcome Rea	2020-11-01
NCT03912870	Value of Flow Cytometry in Infectious Point of Care: Feasibility Study	https://ClinicalTrials.gov/show/NCT03912870	Recruiting	Assistance Publique Hopitaux De Marseille	2019-07-30
NCT03903354	Intraoperative Hyperglycemia and Infections After Orthopedic Surgery	https://ClinicalTrials.gov/show/NCT03903354	Recruiting	University of Roma La Sapienza	2018-04-13
NCT03761459	Current Surgical Practices and Surgical Site Infection at Ayder Comprehensive Specialized Hospital in Mekelle, Ethiopia	https://ClinicalTrials.gov/show/NCT03761459	Enrolling by invitation	University of Illinois at Chicago	2020-06-20
NCT03676777	Study Of Bacterial/Fungal Infections in Hospitalized Patients With Liver Cirrhosis in China	https://ClinicalTrials.gov/show/NCT03676777	Recruiting	Ruijin Hospital	2019-12-31
NCT03654872	Clostridium Difficile Virulence Mechanism Study (CDVM Study)	https://ClinicalTrials.gov/show/NCT03654872	Recruiting	Chinese University of Hong Kong	2019-05-30
NCT03643497	Population Pharmacokinetics of Meropenem and Linezolid in Children With Severe Infectious Diseases	https://ClinicalTrials.gov/show/NCT03643497	Recruiting	Beijing Children’s Hospital	2021-09-30
NCT03578835	Bloodstream Infection Due to Multidrug-Resistant Organisms - Multicenter Study on Determinants of Clinical Outcomes	https://ClinicalTrials.gov/show/NCT03578835	Recruiting	University Hospital Tuebingen	2018-12-31
NCT03548740	Diversity Analysis of Vaginal Microbiota on Women With High-risk Human Papillomavirus Infection	https://ClinicalTrials.gov/show/NCT03548740	Recruiting	Peking Union Medical College Hospital	2020-01-20
NCT03501901	Urinary Tract Infections Caused by ESBL-producing Enterobacteria	https://ClinicalTrials.gov/show/NCT03501901	Completed	Universidad Autonoma de Nuevo Leon	2015-10-31
NCT03460171	Clinical Features, Outcome and Prognosis of Human Metapneumovirus (hMPV) Lower Respiratory Tract Infections in Adult Inpatients	https://ClinicalTrials.gov/show/NCT03460171	Active, not recruiting	Assistance Publique - HÃ´pitaux de Paris	2019-07-31
NCT01137981	Antiretroviral Pregnancy Registry (APR)-Risk of Birth Defects	https://ClinicalTrials.gov/show/NCT01137981	Recruiting	ViiV Healthcare	2024-12-31
NCT04030949	Are Rectal and Genital Chlamydia Trachomatis Infections in Women Related to Anal Sex, Autoinoculation / Contamination	https://ClinicalTrials.gov/show/NCT04030949	Recruiting	Region Ã–stergÃ¶tland	2021-08-31
NCT03082521	Better Antibiotic Prescribing Through Action Research	https://ClinicalTrials.gov/show/NCT03082521	Enrolling by invitation	Universiteit Antwerpen	2021-03-15
NCT03263832	Evaluation of the Antibiofilmogramme Test During Orthopaedic Device-Related Infection	https://ClinicalTrials.gov/show/NCT03263832	Active, not recruiting	BioFilm Control	2018-02-28
NCT04274972	The Microbiome of Pancreatic Cancer: “PANDEMIC” Study	https://ClinicalTrials.gov/show/NCT04274972	Recruiting	Azienda Ospedaliera Universitaria Integrata Verona	2020-09-30

intervention_type	Study_Count
Drug	1264
Drug\|placebo	310
Biological	212
Other	195
Procedure	109
Device	106
Behavioral	101
Biological\|placebo	63
Drug\|Other	49
Dietary Supplement\|placebo	47
Dietary Supplement	41
Diagnostic Test	26
Drug\|Procedure	22
Biological\|Drug	19
Device\|Other	18
Biological\|Other	11
Other\|Procedure	11
Device\|Drug	10
Dietary Supplement\|Drug	9
Drug\|Other\|placebo	7
Behavioral\|Drug	6
Biological\|Drug\|placebo	6
Combination Product	6
Device\|Procedure	6
Other\|placebo	6
Behavioral\|Other	5
Dietary Supplement\|Drug\|placebo	5
Drug\|placebo\|Procedure	4
Behavioral\|Procedure	3
Biological\|Procedure	3
Device\|Drug\|Other	3
Behavioral\|Device	2
Biological\|Drug\|Other	2
Biological\|Drug\|Procedure	2
Biological\|Genetic\|Other	2
Biological\|placebo\|Procedure	2
Combination Product\|Other	2
Device\|placebo	2
Diagnostic Test\|Drug	2
Diagnostic Test\|Other	2
Dietary Supplement\|Other	2
Genetic	2
placebo	2
Behavioral\|Biological	1
Behavioral\|Device\|Diagnostic Test\|Drug\|Procedure	1
Behavioral\|Device\|placebo	1
Behavioral\|Dietary Supplement\|placebo	1
Behavioral\|Drug\|Genetic\|Procedure	1
Behavioral\|Drug\|Other	1
Biological\|Device\|Drug	1
Biological\|Drug\|Other\|placebo	1
Biological\|Other\|Procedure	1
Combination Product\|Diagnostic Test	1
Combination Product\|Dietary Supplement\|placebo	1
Combination Product\|Drug	1
Combination Product\|placebo	1
Device\|Drug\|placebo	1
Device\|Drug\|Procedure	1
Drug\|Genetic	1
Drug\|Genetic\|Other\|Procedure	1
Drug\|Other\|Procedure	1
Drug\|Procedure\|Radiation	1
Genetic\|placebo	1
placebo\|Procedure	1
Procedure\|Radiation	1
Radiation	1

Site_count	Study_Count
1	699
2	74
3	27
4	19
5	9
6	10
7	13
8	4
9	4
10	6
11	6
12	5
13	3
14	5
15	6
16	2
17	4
18	2
19	1
20	2
21	5
22	2
23	3
24	5
25	3
26	1
27	4
30	2
33	1
34	3
35	1
36	3
38	2
39	2
43	2
45	2
47	1
52	2
59	2
69	1
77	1
81	2
92	1
163	1
606	1

Site_count	Study_Count
1	699
2	74
3	27
4	19
5	9
6	10
7	13
8	4
9	4
10	6
11	6
12	5
13	3
14	5
15	6
16	2
17	4
18	2
19	1
20	2
21	5
22	2
23	3
24	5
25	3
26	1
27	4
30	2
33	1
34	3
35	1
36	3
38	2
39	2
43	2
45	2
47	1
52	2
59	2
69	1
77	1
81	2
92	1
163	1
606	1

infection

Study Counts

Studies over Time by Start Date

Interventional Trials

Intervention Type

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Studies by Country

Sites per Study

Phase

Number of Arms

Enrollment Metrics by Phase

Trial Group Type

Intervention Model

Primary Purpose

Observational Studies

Studies by Country

Sites per Study

Enrollment Metrics

Observation Model

Time Perspective

Registries

Studies by Country

Sites per Study

Enrollment Metrics

Registry Model

Time Perspective

Follow-up

Overview of Studies

Interventional Trials

Observational Studiess

Registries

Site_count	Study_Count
1	699
2	74
3	27
4	19
5	9
6	10
7	13
8	4
9	4
10	6
11	6
12	5
13	3
14	5
15	6
16	2
17	4
18	2
19	1
20	2
21	5
22	2
23	3
24	5
25	3
26	1
27	4
30	2
33	1
34	3
35	1
36	3
38	2
39	2
43	2
45	2
47	1
52	2
59	2
69	1
77	1
81	2
92	1
163	1
606	1